微膠囊化技術(shù)在防曬化妝品中的應(yīng)用.pdf

1、⑨口新月縣論文題目：微膠囊化技術(shù)在防哂化越品由的應(yīng)田碩士學(xué)位論文MASTER’SDISSERTATION培養(yǎng)院系：絲蘭里睦一級學(xué)科：撾抖科主與工程二級學(xué)科：鹽抖按理皇此生論文作者：塞晝逢指導(dǎo)教師：塞!!塑蔓熬縫南開大學(xué)研究生院2005年5月殺翳善，’四㈨“ta鬻警翻訓(xùn)尚№AbstractAbstractMicrospheresareutilizedmsunsereencosmeticsChemicalUVabsorbersarepote

2、ntialhartll]ful幻human，becausetheyaremadeofcarbonylandbenzeneringsandotherelectrondonorgroups，whichcanformconjugativestructuresHumandonotrecognizethepotentialdangerousnesswhentheyusechemicalUVabsorbersforlongtimeEncapsule

3、stechniquesisappliedinthefieldofcosmeticsindustryinorderteducetheharmfulnessGrafting34，5trimethoxylbenzoylchloridetochitinwhichissimilartofibrousstructureandnaturalmaterial，decreasedthetoxicityofsanscreenThepaperreportsf

4、orthefirsttimethatsolidlipidnanoparticles(glycerylmonostearate)loadedwith34，5trimethoxybenzoylchitintoformnanoparticlesSolidlipiduanoparticlesactbothasphysicalscattersandreflectanceofsunradiationthemselvesandascarriersto

5、enhancetheeffectofUVBprotectionTheimprovementofthesystemCallbeenobservedwhentocopherolwasaddedDuetothefactthatUVabsorptionof34，5一trimethoxylbenzoylchitinisinferiortothesameamountofcoiIlmortUVabsorbers，principleandmethodo

6、fpreparingchitosanglutinencapsulesbycomplexeoacervation，whichwascomposedof2hydroxy4methoxybenzophenoneaScorematerial，chitosanandglutinasshellmaterial，wasdiscussedinthethesisatfirstTheencapsulationof2hydroxy4methoxybenzon

7、phenonebychitosansodiumalginateandandelements，whichaffectedthereactionwerealSOstudiedTheresultsshowedthattheformershellmaterialwassuperiortothelatterforUVdiffusereflectancespectraandstabilityofparticlesandsmallersizeoffo

8、rmermaterialThereweresometriestoprobemoreaffinitivesunscreentoourskinandkinderandsafertoOurhealthTheseproductswereendowedwithprotectionfrom290to400nanometerwavelengthbandintheareafromUVBtoUVAwavelength。meanwhiletheyreduc